Paper · 2013 · HortTechnology

Thidiazuron- and Zeatin-induced High-frequency Shoot Regeneration from Leaf and Shoot-tip Explants of Strawberry

Fatemeh Haddadi; Maheran Abd Aziz; Hossein Kamaladini; et al.

4
claims
8
verbatim quotes
19
citations
2
research areas
✓
Open access

Abstract

Strawberry ( Fragaria × ananassa cv. Camarosa) was evaluated to determine a high-frequency shoot regeneration response for leaf and shoot-tip explants. For direct organogenesis from strawberry leaves, combinations of moderate concentrations of thidiazuron [TDZ (0, 2, and 4 μ m )] and 6-benzylaminopurine [BAP (0, 4, and 9 μ m )] added into medium containing Murashige and Skoog (MS) basal salts were compared. The most shoots regenerated per leaf explant were observed with 4-μ m TDZ. Regeneration from shoot tips was evaluated with 0-, 2-, 4-, 8-, and 16-μ m zeatin, kinetin, or 6-α,α-dimethylallylamino purine (2ip) tested individually. Optimum shoot proliferation was achieved from shoot-tip explants on medium containing 4-μ m zeatin. Rooting was best without cytokinins in the medium; however, adequate rooting was obtained on the 4-μ m zeatin treatment as well.

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Claims 4

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Four micromolar TDZ produced the most shoots per strawberry leaf explant.

Taxon
StrawberryFragaria ×ananassat0
Organ / stage
leaf explante0
Treatment
4-μ m TDZe0
Outcome
shoots regenerated per leaf explante0
Direction
moste0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Strawberry”

✓ located verbatim in the source · title, characters 102–112 · show in text ↑
e0

“The most shoots regenerated per leaf explant were observed with 4-μ m TDZ”

✓ located verbatim in the source · abstract, characters 411–484 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Four micromolar zeatin optimized shoot proliferation from shoot tips.

Taxon
StrawberryFragaria ×ananassat0
Organ / stage
shoot-tip explantse0
Treatment
4-μ m zeatine0
Outcome
shoot proliferatione0
Direction
Optimume0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Strawberry”

✓ located verbatim in the source · title, characters 102–112 · show in text ↑
e0

“Optimum shoot proliferation was achieved from shoot-tip explants on medium containing 4-μ m zeatin”

✓ located verbatim in the source · abstract, characters 640–738 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Rooting was best without cytokinins.

Taxon
StrawberryFragaria ×ananassat0
Treatment
without cytokininse0
Outcome
Rootinge0
Direction
beste0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Strawberry”

✓ located verbatim in the source · title, characters 102–112 · show in text ↑
e0

“Rooting was best without cytokinins in the medium”

✓ located verbatim in the source · abstract, characters 740–789 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

The four micromolar zeatin treatment also produced adequate rooting.

Taxon
StrawberryFragaria ×ananassat0
Treatment
4-μ m zeatine0
Outcome
adequate rootinge0

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Strawberry”

✓ located verbatim in the source · title, characters 102–112 · show in text ↑
e0

“adequate rooting was obtained on the 4-μ m zeatin treatment as well”

✓ located verbatim in the source · abstract, characters 800–867 · show in text ↑

zeatin · growth · Fragaria x ananassa (strawberry)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this paper

  1. positive
See all 2 papers →

class · growth · Fragaria x ananassa (strawberry)Positive and negative results

29 papers: 25 positive, 4 negative or no effect

24 papers in the same direction as this paper · 4 in the opposite direction

  1. positive
  2. no effect
  3. no effect

25 papers more in this group

See all 29 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.